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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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914 | * |
915 | * @since 2.8.0 |
916 | * |
917 | * @param string $html HTML markup sent to the editor for an image. |
918 | * @param string $src Image source URL. |
919 | * @param string $alt Image alternate, or alt, text. |
920 | * @param string $align The image alignment. Default 'alignnone'. Possible values include |
921 | * 'alignleft', 'aligncenter', 'alignright', 'alignnone'. |
922 | */ |
923 | $html = apply_filters( 'image_send_to_editor_url', $html, esc_url_raw( $src ), $alt, $align ); |
924 | } |
925 |
|
926 | return media_send_to_editor( $html ); |
927 | } |
928 |
|
929 | if ( isset( $_POST['save'] ) ) { |
930 | $errors['upload_notice'] = __( 'Saved.' ); |
931 | wp_enqueue_script( 'admin-gallery' ); |
932 |
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